Cover bulbs with dirt and chicken wire or hardware cloth. Although the mesh prevents animals from digging, bulbs can grow through it.Cage bulbs or plant in mesh baskets.
Cover planting space with heavy mulch. It may keep animals from bulbs.Plant extensive ground cover around the bulb. Leaves and roots protect naturally.
Use commercial squirrel and chipmunk repellents. Safety and success involve following instructions.Homemade Repellents: Prepare a repellent spray containing hot pepper, garlic, or predator urine.
Plant bulbs deeper. Chipmunks and squirrels rarely dig deep enough. Place bulbs three times their height deep.
Alternative Food: Keep sunflower seed or nut feeders away from your garden to deter squirrels and chipmunks. They may prefer easy food to bulb digging.
Plant bulbs late fall when animals have buried their food and are less inclined to dig.Cleaning: Remove bulb husks and dirt after planting. Aromas may attract animals to newly planted regions.